package c5.e11;

public class E11 {
    public static void main(String[] args) {
        long startTime = System.currentTimeMillis();
        int sum = 0;
        for (int i = 0;i<1000000000;i++){
            sum += i;
        }
        long endTime = System.currentTimeMillis();
        System.out.println("程序运用的时间为："+(endTime - startTime)+"毫秒");
    }
}
